irssi: allow opting out of perl support

Closes #15389.

1 files changed, 22 insertions, 10 deletions

diff --git a/Library/Formula/irssi.rb b/Library/Formula/irssi.rb
index 8a60560cd..e049d1246 100644
--- a/Library/Formula/irssi.rb
+++ b/Library/Formula/irssi.rb
@@ -5,22 +5,34 @@ class Irssi < Formula
   url 'http://irssi.org/files/irssi-0.8.15.tar.bz2'
   sha1 'b79ce8c2c98a76b004f63706e7868cd363000d89'
 
+  option "without-perl", "Build without perl support."
+
   depends_on 'pkg-config' => :build
   depends_on 'glib'
 
   # Fix Perl build flags and paths in man page
-  def patches; DATA; end
+  def patches; DATA; end unless build.
 
   def install
-    system "./configure", "--prefix=#{prefix}",
-                          "--sysconfdir=#{etc}",
-                          "--with-perl=yes",
-                          "--with-perl-lib=#{lib}/perl5/site_perl",
-                          "--with-bot",
-                          "--with-proxy",
-                          "--enable-ssl",
-                          "--enable-ipv6",
-                          "--with-socks"
+    args =%W[
+      --prefix=#{prefix}
+      --sysconfdir=#{etc}
+      --with-bot
+      --with-proxy
+      --enable-ssl
+      --enable-ipv6
+      --with-socks
+    ]
+
+    if build.with? "perl"
+      args << "--with-perl=yes"
+      args << "--with-perl-lib=#{lib}/perl5/site_perl"
+    else
+      args << "--with-perl=no"
+    end
+
+    system "./configure", *args
+
     # 'make' and 'make install' must be done separately on some systems
     system "make"
     system "make install"